An undershirt that irritates your skin creates an annoyance that lasts all day. That's why Hanes added ComfortBlend to this set. Shrinking less than cotton, it maintains a soft feel and dries quickly, so you always feel fresh Made out of a 60% cotton28% polyester12% rayon blend Soft ComfortBlend fabric dries quickly and shrinks less Designed with a tagless back, flat collar, and longer length Imported